Number of samples collected, analyzed using XRD (X-ray Diffraction), SEM (Scanning Electron Microscopy), stable isotope, radiocarbon and U-Th analyses, and results of radiocarbon and U-Th dating.
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Twenty- six samples were cross-dated with radiocarbon and U-Th methods.
共26个样本通过放射性碳（radiocarbon）与铀钍（U-Th）两种测年方法完成了交叉定年。
创建时间：
2020-09-30
